Potential versus strength of an electric field Student activity Play

Radiation Animation Play

Radio Animation Play

Radioactivity Student activity Play

Relative abundance of isotopes and mass spectra Student activity Play

Right hand rule Animation Play

Roentgen's experiment Animation Play

Soil fertility; fertilization and types of fertilizers Student activity Play

The angle between the conductor and the field lines Animation Play

The angle between the conductor and the field lines Student activity Play

The angle between the conductor and the field lines Whiteboard exercise Play

The angle between the conductor and the field lines Simulation Play

The attraction of iron filings by magnets Animation Play

The core of a transformer Illustration Play

The core of a transformer Student activity Play

The discovery of X-rays Whiteboard exercise Play

The discovery of X-rays Student activity Play

The distance between the plates Student activity Play

The Earth's field Animation Play

The Earth's magnetic field Whiteboard exercise Play

The Earth's magnetic field Illustration Play

The Earth's magnetic field Student activity Play

The Earth's magnetic field Animation Play

The electric field inside a capacitor Animation Play

The electric field potential Animation Play